Patent EP0239400A2 successfully refreshed from Google Patents.
US2986188A
Expired / Lapsed
US
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Self-aligning and sealing clinch nut
Assignee: General Dynamics Corp
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Filing: 1959-01-12
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Granted: 1961-05-30
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Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Karp
- 👤 Wendall M B Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:44
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/044; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/4994; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2243923A
Cited
US2688497A
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US2647004A
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FR1135944A
Cited
US2827097A
Cited
GB800198A
Cited
US2816591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |